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GN Separation is a brand under GN Group, under the company of GN Separation Equipment Co., Ltd and GN Separation is also establishing its branch office in Houston, USA, to service for its clinets from North and South America. Recently, GN Separation has attended the CONEXPO 2023 which was held in Las Vegas.

For this CONEXPO 2023, GN has brought following equipment:
1. Linear motion shale shaker. Shale shaker is a vital equipment for physical separation works for various applications. GN has a full range of shale shakers from 2 pieces of shaker screens to 6 pieces of shaker screens for matching the different requested capacities. Cause the shale shakers’ performance are always affected by shaker screens, GN is strict and serious with shaker screens, too. And GN has built a factory especially for shaker screens.
2. Decanter centrifuge. Decanter centrifuge is also an efficient equipment for separation works after the shale shaker. If the shale shaker’s advantage is to remove the most particles, the function of the decanter centrifuge is to make the solids dryer and liquid clearer. Decanter centrifuge is a vivid show for a manufacturer’s producing ability.
3. Solids vacuum pump. This is a powerful pump which can handle solids particles as sands and small stones as long as they have some liquidate. GN has several solids pump models for option based on different capacities.
GN has a facility located close to Beijing International Airport, adjacent the capital of China. In a same industry zone, there are GN No. 1 factory and No. 2 factory, the office building is located in the 1st factory of GN, and this factory yard is used mainly for building tanks, shale shakers, mud cleaners and etc. The 2nd factory is equipped with more advanced equipment like the five facets producing machine and dynamic balancing machines for rotating parts, especially for the decanter centrifuges and cutting robots and welding robots for shaker screens. The 3rd factory is newly constructed, which is equipped with most advanced facilities for equipment manufacturing for cutting, welding and painting. And the size of the 3rd factory is 8000 square meters which is larger than the first 2 together.

 

GN Separation is a brand under GN Solids Control, which is a well-known brand for providing solutions for separation and conveying, and also an equipment manufacturer for separation and conveying. Decanter centrifuge is one of GN separation’s core products, and they are quite popular for many different applications involving separating works like oily sludge treatment, sewage water treatment, fruit and juice treatment, beverage treatment, edible oil and syrup treatment, animal waste disposal and etc.

Recently, GN Separation has fabricated a decanter centrifuge for an overseas client whose work is for glucose syrup clarification. This centrifuge’s model is GNLW554-VFD, with following specifications and features:

1. Big bowl centrifuge with a bowl diameter of 550mm, which equals to 22 inch. And the bowl length is 2310mm, equal to 91 inch.

2. High speed centrifuge, with bowl speed up to 3150RPM, generating a max G force to 3051G.

3. GNLW554 decanter centrifuge has a length-diameter ratio of 4.2,which is large enough for a enough time for clean treatment.

4. A VFD control panel is included in the centrifuge supply, which is equipped with three VFD’s respectively for the main motor, back motor and the feeding pump.

Other features especially for this order:

1. This GNLW554 Decanter Centrifuge’s bowl and propeller are made of SS2205 duplex stainless steel and the collection box is made of SS316L.

2. Centrifuge’s propeller’s blades are polished, instead of bead weld or tiles in order to meet the special requests for food industry.

3. Sealing parts for this centrifuge are made of flororubber.

GN Separation has an engineer team with totally 60+ years of experiences in centrifuge research and development. Based on different applications and material condition, GN Separation’s engineer team can suggest different material for centrifuge components and also designed with different beach angles.
Welcome to contact GN for consultancy.

Within 2 weeks, there will be a water exhibition to be held in Metro Manila, Philippines. GN Separation will attend this exhibition, bringing last year’s best seller equipment. Sure it will be a successful exhibition, so will GN.
As is known to all, Philippines is a beautiful country surrounded by sea in South Asia. It has rich water resources and the environment protection there is practical and strict. How to deal with waters is important there, and sure, should be important everywhere in the world.

Here is the information about the exhibition:
Website of Exhibition: https://www.waterphilippinesexpo.com/
Exhibition Schedule: from March 22nd to 24th , 2023
Location: Metro Manila, Philippines
Exhibition Center：SMX CONVENTION CENTER
GN Booth Number: H15 & 16

What equipment GN will bring to this Exhibition?

1. Mini Decanter Centrifuge GNLW223. GN has been a decanter centrifuge manufacturer for more than 15 years. In GN factory, there is a workshop used especially for decanter centrifuges. In this workshop, GN has a five axis machining center and two sets of dynamic balancing machines, a middle speed one and a high speed one. For all the centrifuge rotating parts, like the propeller and the rotating bowl, will be tested by dynamic balancing machines separately and after assembled together.
GN manufactures various centrifuges models, and this centrifuge GNLW223 is the smallest model.

2. Vacuum pump GNSP-10. It is a compact vacuum pump model, also the smallest model among the 3 models GN makes. It is fully air driven powerful pump which can take even solids like sands and small stones. It can be used for wide applications such like mining, oily sludge, animal waste, small construction materials, and etc. The GNSP-10 and GNSP 20 are equipped with wheels for more flexible.

3. Screw press sludge dewatering machine. It is a practical and economic solution for sludge treatment to squeeze out the liquid from the solid waste.

Welcome to GN Booth for negotiating and exploring future cooperation.

GN Solids Control and GN Separation are 2 brands under GN company, which are both professional separation solution provider respectively for oil and gas industry and other industries like environment protection, mining, water treatment, animal waste treatment and etc.

GN’s products could be grouped in 2 catalogs: separating and conveying. For separating, there are equipment for liquid and solid separation, like shale shakers, mud cleaners with hydrocyclones, two phase decanter centrifuges, screw press and etc. For mud and gas separation, there are mud gas separation, vacuum degasser and centrifugal degasser. For oil and water separation, there are oil water separator, three phase centrifuge and etc. And there is also chemical dosing system which is used to help with separation. For conveying equipment, GN produces screw conveyor and various pumps, including shearing pump, centrifugal pump, submersible slurry pump and screw pumps. Among all the pumps, the vacuum pump is a quite special one and also the most popular one.

1.GN Vacuum Pump is fully air driven, that’s why it is called vacuum pump. It is generated by an air compressor, with a negative force, it can suck in the material. And with a positive force, it will push out the material to a certain distance. It needs no electricity at all, so it is fully explosive proof.

2.GN vacuum pump is also called a solid pump, because it can handle solids particles easily, as long as the particles can pass the pipelines. The material to be transferred need to be liquidate, while liquid is not a must. For example, the sands or small stones can be transferred by the vacuum pump easily.

3.GN Vacuum pump can be used for different applications, including oily sludge industry, refinery, animal waste, chemical transferring, minerals, coal powders and etc.

Clients from different industries are coming to GN for purchasing this pump. That’s why, for the 3 standard models, GN are making stock for quick delivery for clients. Please contact GN team for confirming the soonest delivery time.

Decanter centrifuges are widely used in various drilling industries for the separation of solids and liquid, including the oil and gas drilling, geothermal drilling, diamond drilling and pipe jacking. Based on different requested drilling capacities, there are different sizes of centrifuges for option. This time, for this European customer, GN provided a decanter centrifuge of 9 inch diameter bowl, which is the smallest model among GN Centrifuges.

1. GNLW223 Decanter centrifuge. It is also called a baby centrifuge among all GN centrifuge models. The length diameter ratio is 3, which is a typical value for drilling mud separation works. The largest RPM it can reach is 4500RPM, and it can efficiently remove all the particles from 2 to 5 microns.

2. Applications of GNLW223 decanter centrifuge. GNLW 223 decanter centrifuge is small but popular. It is widely used among GN clients in diamond drilling projects, geothermal well’s drilling, HDD projects and animal waste treatment. It is a compact model especially in North America and Europe.

3. Special design for this batch of GNLW223 decanter centrifuges. When the centrifuge is put into use, it should be put on a certain height in order to discharge the liquid and solids. That’s why there is always a skid, sometimes telescopic, under the decanter centrifuge. For this batch of decanter centrifuges, GN designed a small tank below the centrifuge, together with half height as the standing frame. The small tank could be a catch tank for holding the discharge liquid. While transportation the solids discharge chute can be folded between the tank and centrifuge. The tank is open top for easy observation and to clean. Near to the bottom, there is a port as drain port.

For more information, welcome to contact GN Separation directly.

In the coming April, the 27th Mining World Russia will be held in Moscow. GN Separation will attend this fair, brining GN Mining Vibrating Screen and polyurethane screen panels.

Mining vibrating screens can be regarded as a large group, including several different types. Dividing by size, there are small models, middle size models, and large ones. Based on different structures, there are stack vibrating screens, linear motion vibrating screens and banana screens. Depending on the functions, there are vibrating screens for classification, for beneficiation, for dewatering and etc.

This time, GN Separation will bring to the exhibition a stack vibrating screens and screen panels.

1. Stack vibrating screen’s structure:

Stack vibrating screen is a self-designed equipment of GN Separation. It is called stack, because it can be made with 2 to 5 layers, and the exact layer number depends on the job site requirement because each layer has the same screen size and equipped by exactly same screen opening sizes.

2． Features of stack vibrating screens:

The material will enter each layer equally and to be separated at same time and to be discharged under same condition. And the products after separation are collected together. In this way, the separating capacity is doubled, tripled and even quadrupled in a limited space. It is also economic to use a stack shaker when considering the consumption of energy, cause all those screen layers are sharing 2 sets if vibrating motors.

3. Function of stack vibrating screens:

in fact, all mining vibrating screens are suitable for more than one function as the working principles are same. Stack vibrating screens are mostly used for wet separation, classification and fine grained material separation in a mineral processing.

Along with stack vibrating screens, GN Separation will also bring polyurethane screen panels to the exhibition.
Here is information about the exhibition:
Website：https://miningworld.ru/en/
Exhibition name：Mining World Russia
Schdule:：April 25-27th, 2023.
City：Moscow
Exhibition Center：Crocus Expo, Pavilion 1, halls 2, 3.

GN Separation is the wholly owned subsidiary company of GN Solids Control. GN Separation is professional in designing and manufacturing solutions for separating and conveying works in different industries including food industry, beverage industry, sewage treatment, animal waste treatment and kitchen waste treatment.

Mining Industry is always an important industry all over the world which involves crushing, separating and conveying. GN set up a Mine Business Department with an engineer team focusing on development and promotion of vibrating screens. During years of development, GN Separation has developed large vibrating screens in addition to linear motional fine vibrating screens, High G vibrating screens, middle sized vibrating screens. Now GN Vibrating Screens have the full series for meeting the mining industries’ requested functions like classification for both dry and wet, beneficiation, dewatering, deslimming and etc. GN large vibrating screens including following:

1. Large double deck linear vibrating screens:

2. Large Banana vibrating screens

3. Large Flip-flow vibrating screens.

Same as all products manufactured by GN Solids Control and GN Separation, GN Vibrating Screens’ first and most impressive feature is their high quality. For example, in order to make sure the high strength of the screens’ side wall, GN designed with large side walls as a whole. The reinforcing ribs are screwed onto the side wall instead of welt on.
The screens, including screen panels and screen meshes, are made of polyurethane to increase the service life. All screens are made in GN screen factory, which has provided their products for oil and gas industry to more than 70 countries in the world.

GN Vibrating Screens could be widely used in metal minerals like iron ore, copper ore, lead ore, gold ore and etc. Industrial minerals including bentonite, carbon black, glass fiber and etc. Other materials like aggregate for construction, coal mine, sand, silica sand and so on.

Welcome to contact GN for more information at renee@gnseparation.com.

The purpose of beneficiation is to separate the mining raw material into useful minerals and useless components.
In practice of mineral processing, some artificial methods are often used to enlarge differences in physical and chemical properties of minerals to help improve the separation efficiency. For example, to change the mineral magnetism by magnetizing roasting, to treat the surface of mineral is treated with acid and salt to selectively change the conductivity of some mineral, to change the natural wettability of minerals under help of various flotation reagents Besides above mentioned methords, the shape, particle size, hardness and color of minerals are also used as some special beneficiation standards.

Gloss is also often the basis for some special mineral processing methods. According to different ore types and requirements for beneficiation products, different beneficiation methods can be adopted in practice. Common mineral processing methods include gravity separation, magnetic separation, electric separation and flotation. The flotation method is the most widely used. Gravity separation method is widely used in the separation of black, non-ferrous, rare metals and coal; The magnetic separation method is mainly used for the separation of ferrous metals and rare metals. It can also be used to remove iron impurities from non-metallic mineral raw materials. It can also be used to purify production water, domestic water and the recovery of magnetite from heavy medium coal preparation; The electric separation method is used for the separation of nonferrous metal ores, rare metal ores, ferrous metal (iron, manganese, chromium) ores, and non-metallic ores (such as coal powder, diamond, graphite, asbestos, kaolin, talc, etc.).
Vibrating screens are widely used in different mining procedures including the preparation of mining rocks and the tailing treatment.
If you need more information, welcome to contact GN Separation directly at renee@gnseparation.com.

When talking about the function of vibrating screens in mining industry, we cannot bypass the beneficiation. As is known to all, useful minerals and useless gangue are usually coexisting with each other. People have to do something to separate them from each other, for example, the . procedure of crushing ores, then enriching useful minerals and discarding useless gangue. All these procedures are include in the topic of beneficiation. For example, for coal, the process of separating coal from grinding stone to obtain products of different quality is called coal preparation.

GN Vibrating Screens

In nature, except a few minerals which are liquid (such as mercury), most of them are in solid type. Solid minerals have certain crystal structure and physical and chemical properties. In raw ore or coal, the separation of useful components and useless gangue or grindstone through beneficiation is basically based on the differences in physical properties, surface physicochemical properties and chemical properties of minerals. Mineral properties directly related to mineral processing mainly include density, magnetism, conductivity, wettability, etc.

1. Density refers to the mass of mineral per unit volume, which is the basis for gravity concentration.
2. The magnetism of a mineral is the property that it is attracted or repelled by a magnet. General minerals can be divided into strong magnetic minerals (such as magnetite, etc.), weak magnetic minerals (such as hematite, etc.) and non-magnetic minerals (such as diamond, hematite, etc.). Mineral magnetism is the basis of magnetic separation.
3. Electrical conductivity refers to the electrical conductivity of minerals. Generally, minerals can be divided into good conductors, semiconductors and non-conductors, which are the basis for electrical separation.
4. Wettability refers to the property that minerals can be wetted by water. The minerals easily wetted by water are called hydrophilic minerals (such as quartz, calcite, etc.); On the contrary, it is called hydrophobic mineral (such as chalcocite, graphite, etc.). The natural wettability of minerals mainly depends on the crystalline structure of minerals.

Function of mining vibrating screens are working based on the physical properties of minerals.

Solids Control system is an essential part of a drilling rig system, which is used for remove the drilling cuttings from the expensive drilling mud. In this way, the clean mud can be returned to the drilling procedure and to be reused. On the other hand, it is also protecting the environment by discharge less waste.
In a complete drilling solids control system, there should be shale shakers, mud cleaner, decanter centrifuge of middle speed, decanter centrifuge of high speed and the feeding pumps for the mud cleaner and centrifuges.
Just recently, GN Solids Control, the leading manufacturer in China in solids control industry, has provided a client from South America totally 3 sets of solids control equipment, including following:

1. shale shakers with model GNZS594J for 3 packages, totally 12 sets.
2. Mud cleaner, GNZJ594J-3S16N, each rig system need 1 set of mud cleaner to play the roles for desander and desilter cones.
3. Centrifugal pumps for desander and desilter cones, they are same as mission magnum centrifugal pumps.
4. Middle speed decanter centrifuge for each package, with model GNLW363D-GP.
5. High speed decanter centrifuge for each package, with model GNLW363D-VFD.
6. Screw pumps for each centrifuge as feeding pump.

Functions of each equipment: in fact, the solids control system are used for removing the drilling cuttings from the mud in a physical way, which means, each step of separation is based on the drilling cuttings’ particle sizes. The shale shakers are used to remove the most particles larger than 100 microns. Desander and desilter are working with centrifugal force generated by the cyclones’ structure, and their cuttings points are respectively 40 and 20 microns. The middle speed centrifuge are used for removal of particles from 5 to 7 microns, which here means barite recovery. And the high speed centrifuges are used for removing particles from 2 to 5 microns, extra fine ones.

If you need equipment like this or a turnkey solution even including tanks, please contact GN directly.